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Physics

Physics
The unit of noise pollution (level) is :

None of these
Decibel
Ppm
Decimal

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Physics
A star appears twinkling in the sky because of

Reflection of light by atmosphere
Refraction of light by atmosphere
Scattering of light by atmosphere
Diffraction of light by atmosphere

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Physics
The coil wire in the electric room heater or electric cooking heater is called ________

Cells
Element
Filament
Circuit

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Physics
Which one of the waves have the longest wavelength

Red
Green
Blue
Violet

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Physics
Person who is colourblind cannot distinguish between

Red and green
Yellow and white
Black and yellow
Green and blue

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Physics
What is the process of conversion of solid state directly to gaseous state called?

Condensation
Sublimation
Distillation
Evaporation

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MORE MCQ ON Physics

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